Sofwan, Ridho Dimas, Agus Mansur, and Imam Djati Widodo. 2021. “Analysis of Customer Satisfaction Using the Modified Servqual Method (Case Study at Waroeng Spesial Sambal Ss): Analisis Kepuasan Konsumen Menggunakan Metode Modified Servqual (Studi Kasus Di Waroeng Spesial Sambal Ss)”. PROZIMA (Productivity, Optimization and Manufacturing System Engineering) 3 (2):21-30. https://doi.org/10.21070/prozima.v3i2.1271.